Mineralogy Database

Tucekite Mineral Data

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General Tucekite Information

Help on Chemical  Formula: Chemical Formula: Ni9Sb2S8
Help on Composition: Composition: Molecular Weight = 1,028.24 gm
   Nickel    51.37 %  Ni
   Antimony  23.68 %  Sb
   Sulfur    24.95 %  S
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: Ni9Sb2S8
Help on Environment: Environment: In a hydrothermal deposit.
Help on IMA Status: IMA Status: Approved IMA 1978
Help on Locality: Locality: Kanowna, near Kalgoorlie, and the Whim Creek deposit, Western Australia, Australia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Karel Tucek, Curator of Minerals in the National Museum, Prague, Poland.
Help on Name Pronunciation: Name Pronunciation: Tucekite Say TUCEKITE
 

Tucekite Image

Click Here for Larger   Image in a New Browser Window Images:
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  Tucekite   Ullmannite

Comments: Gray tucekite with ullmannite in white matrix.
Location: Adler mine, Eisern, Siegerland, Nordrhein-Westfalen, Germany. Scale: Picture Size 3.5 mm.
© Thomas Witzke

Tucekite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.75299
Help on Cell Dimensions: Cell Dimensions: a = 7.174, c = 5.402, Z = 1; V = 278.02 Den(Calc)= 6.14
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: P 4/mmm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.76(1), 2.28(0.8), 2.38(0.8),
 

Physical Properties of Tucekite

Help on Cleavage: Cleavage: None
Help on Color: Color: Light yellow.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Habit: Habit: Irregular Grains - Occurs as splotchy, anhedral crystals forming inclusions in other minerals or rocks.
Help on Hardness: Hardness: 6 - Orthoclase
Help on Luster: Luster: Metallic
 

Optical Properties of Tucekite

Help on RL Anisotrophism: RL Anisotrophism: Very strong to distinct, deep brown to grayish blue.
Help on RL Color: RL Color: Brownish yellow.
Help on RL Pleochroism: RL Pleochroism: Very weak to absent.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Tucekite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   37.50   38.20 
   
 420 nm   38.00   39.40 
 440 nm   38.60   41.00 
 460 nm   39.50   42.50 
 480 nm   40.70   44.00 
 500 nm   42.30   45.60 
 520 nm   44.00   47.00 
 540 nm   45.40   48.00 
 560 nm   46.60   48.80 
 580 nm   47.60   49.40 
 600 nm   48.40   50.10 
 620 nm   49.20   50.70 
 640 nm   49.90   51.40 
 660 nm   50.60   52.00 
 680 nm   51.20   52.60 
 700 nm   51.80   53.10 
Calculated Relative Intensity Colors of Tucekite in Air
Relative
Intensity
   0%   30%   60%   90% 100% 120% 150% 180% 210% 230%
R1                    
R2                    
 

Calculated Properties of Tucekite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.76 gm/cc
note: Specific Gravity of Tucekite =6.14 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0076759787
Boson Index = 0.9923240213
Help on Photoelectric: Photoelectric: PETucekite = 96.88 barns/electron
U=PETucekite x rElectron Density= 557.68 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Tucekite is Not Radioactive
 

Tucekite Classification

Help on  Dana Class: Dana Class: 03.02.05.05 (03)Sulfides - Sulfosalts
  (03.02)where z/y = 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.02.05)Hauchecornite Group, Complex Ni sulfides (Tetragonal: P4/nnn or I4/mmm)
 
03.02.05.01 Hauchecornite Ni9Bi(Sb,Bi)S8 P 4/mmm 4/m 2/m 2/m
 
03.02.05.02 Bismutohauchecornite Ni9Bi2S8 P 4/mmm 4/m 2/m 2/m
 
03.02.05.03 Tellurohauchecornite Ni9BiTeS8 P 4/mmm 4/m 2/m 2/m
 
03.02.05.04 Arsenohauchecornite Ni18Bi3AsS16 I 4/mmm 4/m 2/m 2/m
 
03.02.05.05 Tucekite Ni9Sb2S8 P 4/mmm 4/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 02.BB.10 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1)
  02.BB -With Ni, Fe
 
02.BB.10 Arsenohauchecornite Ni18Bi3AsS16 I 4/mmm 4/m 2/m 2/m
 
02.BB.10 Bismutohauchecornite Ni9Bi2S8 P 4/mmm 4/m 2/m 2/m
 
02.BB.10 Hauchecornite Ni9Bi(Sb,Bi)S8 P 4/mmm 4/m 2/m 2/m
 
02.BB.10 Tellurohauchecornite Ni9BiTeS8 P 4/mmm 4/m 2/m 2/m
 
02.BB.10 Tucekite Ni9Sb2S8 P 4/mmm 4/m 2/m 2/m
 

Other Tucekite Information

Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Tucekite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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Print or Cut-and-Paste your Tucekite Specimen Label here :

Tucekite

Ni9Sb2S8
Dana No: 03.02.05.05 Strunz No: 02.BB.10
Locality:

 

Notes:

 

 
   
 


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